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Thread: SQL query

  1. #1
    Join Date
    Mar 2013
    Posts
    5

    Unanswered: SQL query

    Hello

    i want to write an SQL update statement that doubles the number of portions for all recipes with the type 'dinner'.

    Here is my relation

    Recipe(recipe_id, rname, type, portions)


    Any idea??

  2. #2
    Join Date
    Aug 2003
    Location
    Where the Surf Meets the Turf @Del Mar, CA
    Posts
    7,776
    Provided Answers: 1
    Update recipe set portions = portions*2;
    You can lead some folks to knowledge, but you can not make them think.
    The average person thinks he's above average!
    For most folks, they don't know, what they don't know.
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  3. #3
    Join Date
    Mar 2013
    Posts
    5
    Thanks alot

  4. #4
    Join Date
    Jun 2004
    Location
    Liverpool, NY USA
    Posts
    2,509
    Update recipe set portions = portions*2
    where type = 'Dinner';
    Bill
    You do not need a parachute to skydive. You only need a parachute to skydive twice.

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